Singlet oxygen quantum yields and photostability of planar binuclear phthalocyanines

被引：7

作者：

Makarov, Sergei G. ^{[1
]}

Schnurpfeil, Guenter ^{[2
]}

Rychagova, Elena A. ^{[1
]}

Ketkov, Sergey Yu. ^{[1
]}

Suvorova, Olga N. ^{[1
,3
]}

Woehrle, Dieter ^{[2
]}

机构：

[1] RAS, GA Razuvaev Inst Organometall Chem, Tropinin Str 49, Nizhnii Novgorod 603950, Russia

[2] Univ Bremen, Inst Organ & Makromol Chem, POB 330440, D-28334 Bremen, Germany

[3] Intelpharm Grp Co, Kostin Str 4, Nizhnii Novgorod 603000, Russia

来源：

JOURNAL OF PORPHYRINS AND PHTHALOCYANINES | 2017年 / 21卷 / 12期

关键词：

binuclear phthalocyanines; singlet oxygen; photostability; ANNULATED DINUCLEAR; METAL PHTHALOCYANINES; LIGHT; PHOTOSENSITIZERS; TRENDS; REGION; ZINC;

D O I：

10.1142/S1088424617500821

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The singlet oxygen (O-1(2)) quantum yield of the near-infrared absorbing (lambda(max) = 839 nm) planar pi-conjugated binuclear zinc phthalocyanine (ZnPc) was measured and compared to the O-1(2) quantum yields of the mononuclear and the planar binuclear phthalocyanine without pi-conjugation between Pc rings. In addition, the photooxidative stability of the pi-conjugated binuclear Pc was determined and compared to the stabilities of the mononuclear ZnPc and the known near-infrared photosensitizer, zinc tetra-tert-butylnaphthalocyanine (lambda(max) = 761 nm). The results are explained by DFT calculations and cyclic voltammetry.

引用

页码：844 / 849

页数：6

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